Results 21 to 30 of about 11,998 (267)

Global External Stochastic Stabilization of Linear Systems with Input Saturation: An Alternative Approach

open access: yesComplexity, 2017
This paper presents results concerning the global external stochastic stabilization for linear systems with input saturation and stochastic external disturbances under random Gaussian distributed initial conditions.
Qingling Wang
doaj   +1 more source

Cluster-Delay Mean Square Consensus of Stochastic Multi-Agent Systems with Impulse Time Windows

open access: yesEntropy, 2021
This paper investigates the cluster-delay mean square consensus problem of a class of first-order nonlinear stochastic multi-agent systems with impulse time windows.
Huan Luo   +5 more
doaj   +1 more source

Stochastic Small Signal Stability of a Power System with Uncertainties

open access: yesEnergies, 2018
The ever-increasing penetration of wind power generation and plug-in electric vehicles introduces stochastic continuous disturbances to the power system.
Yan Xu   +5 more
doaj   +1 more source

Stochastic approximation with dependent disturbances—I

open access: yesComputers & Mathematics with Applications, 1987
The author studies a generalization of the Robbins-Monro procedure when disturbances satisfy a law of large numbers (strong or week) and proves convergence of this stochastic approximation procedure (accordingly, almost surely or in probability). The proofs of results are based on properties of deterministic iterative procedures for seeking zeros of ...
openaire   +2 more sources

Stability and Synchronization of Delayed Quaternion-Valued Neural Networks under Multi-Disturbances

open access: yesMathematics
This paper discusses a type of mixed-delay quaternion-valued neural networks (QVNNs) under impulsive and stochastic disturbances. The considered QVNNs model are treated as a whole, rather than as complex-valued neural networks (NNs) or four real-valued ...
Jibin Yang   +4 more
doaj   +1 more source

Adaptive Neural Networks Synchronization of a Four-Dimensional Energy Resource Stochastic System

open access: yesAbstract and Applied Analysis, 2014
An adaptive neural networks chaos synchronization control method is proposed for a four-dimensional energy resource demand-supply system with input constraints. Assuming the response system contains unknown uncertain nonlinearities and unknown stochastic
Duo Meng
doaj   +1 more source

Time after time – circadian clocks through the lens of oscillator theory

open access: yesFEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo   +2 more
wiley   +1 more source

A Dynamical Systems Model of Port–Industry–City Co-Evolution Under Data Constraints

open access: yesMathematics
This study develops a dynamical systems framework for analyzing the co-evolution of port–industry–city (PIC) systems, with particular attention to the data-limited contexts often encountered in developing coastal regions.
Huajiang Xu, Changxin Xu
doaj   +1 more source

The newfound relationship between extrachromosomal DNAs and excised signal circles

open access: yesFEBS Letters, EarlyView.
Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley   +1 more source

A switching control for finite-time synchronization of memristor-based BAM neural networks with stochastic disturbances

open access: yesNonlinear Analysis, 2020
This paper deals with the finite-time stochastic synchronization for a class of memristorbased bidirectional associative memory neural networks (MBAMNNs) with time-varying delays and stochastic disturbances.
Liangchen Li   +3 more
doaj   +1 more source

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